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Takahashi Extension tube 35mm for ocular turret  A 35mm extension tube for the Takahashi turret of eyepieces This extension tube is particularly in...

Lunatico Astronomia Anemometer for AAG CloudWatcher Heavy-duty wind sensor featuring superior mechanical resistance and great flexibility, for AAG ...

Pegasus Astro USB 2.0-A male > USB 2.0-B male 0.3m This is a set of two (2) USB2.0 cables with a USB2.0 Type A male connector on one end and a U...

ADM Riser Block 2 Inch XL Riser Blocks fit between the dovetail bar and your accessories. Makes it ideal for mounting electronics onto the dovetail...

ADM V Series Counterweight with 3″ Threaded Rod Fits V Series dovetail bars. Adds additional weight for balancing OTA’s. Split clamp design grips t...

Rouz Astro Active Cooling Kit for ZWO ASI Uncooled Cameras The Rouz Astro – Active Cooling Kit  is designed to cool ZWO ASI uncooled cameras. A la...

Bob’s Knobs for Celestron 14″ SCT Fits: Celestron 14” (36 cm) f/11 SCT versions with factory headless set-style (Allen or slotted) collimation scre...

Wanderer Astro WandererRotator Lite V2 The WandererAstro WandererRotator Lite is a lightweight and ultra low-profile M68 motorized rotator. It is c...

Orion Deluxe 6-Piece Optics Cleaning Kit Make your dusty old telescope and telescope eyepieces good as new with the Orion Deluxe 6-Piece Optics Cle...

Lunt High Resolution H-alpha Filter for DS Modules Available Options: HRG for DSII Unit, LS80THa HRG for DSII Unit, LS100THa HRG for SFPT, LS80MT/...

Lunatico Astronomia POCKETCW2 The improved version of our previous PocketCloudWatcher.The portable solution for cloud detection, measuring sky qual...

Pegasus Astro Indigo Off Axis Guider Our thin and solid design OAG can easily bond with our Indigo Filter Wheel. The OAG supports through holes (M2...

Optec ThirdLynx QuickSync TKX QuickSync TKX motor with integrated ThirdLynx controller for Takahashi dual-speed MEF focuser. Compatibility: Takaha...

Buckeye Filter Masks for Filter Wheels These Filter Centering Masks will make it easy to center your filters in a filter wheel, and will block any ...

Starizona Hyperstar Camera Adapter Please Specify your camera model when you place your order Accurate backfocus distance necessitates an adapter t...

Starfield 1.0x Field Flattener The Starfield 1.0x Field Flattener enhances the imaging capabilities of refractors by eliminating field curvature in...

Pentax AD 8x25 WP Binoculars Full-size performance in a compact-sized body. All A Series binoculars offer you impeccable viewing quality in a com...

Celestron Canon M-Mount T-Ring A T-Ring is one of the first accessories you will need to take pictures through a telescope or spotting scope. If yo...

William Optics Longer Adjusting Adapter for FLAT68III, FLAT7A This adjustable adapter offers a convenient, efficient way to upgrade your WO diagona...

Pegasus Astro Small Factor Top Plate for PPBADV Top Aluminium Plate for Pocket Powerbox Advance allows the mounting of additional equipment (E.g A ...

Celestron 25 Piece Prepared Microscope Slide Kit A wide assortment of specimen slides covering insect parts, plant parts, animal parts, etc.   Tech...

Celestron 1.25" Star Diagonal The Celestron 1.25” Star Diagonal slides into the focuser (1.25”) of your refractor or catadioptric telescope and acc...

Bob's Knobs for SkyWatcher & Celestron Newtonian Primary Fits: SkyWatcher Newtonian telescopes with factory collimation screws.Primary collima...

Astrozap 8x50 Finder Scope Dew Heater The newly redesigned Astrozap 8x50 Finder Scope Dew Heaters are from the finest selection for an active dew f...

Baader T-2 / 7.5 mm Extension Tube (T-2 part #25C) 7.5mm optical path length Telescope side T-2 internal thread Focus side T-2 external thread For...

Baader Morpheus 12.5mm 76° Even if a certain movie-classic hints otherwise – the Morpheus® are absolutely real. Featuring a true 76° field of view,...

Baader Hyperion 5mm 68° Baader Hyperion Eyepiece 5mm Huge 68 degree wide angle field, tailored to the maximum Visual angle of the human eye Phanto...

Baader Diamond Steeltrack M48 Adapter BDS-Adapter with M48 outer thread to connect M48 parts Mounted instead of the standard clamp with the S58 do...

Baader CMOS-optimized L-RGB Filters New CMOS-optimized L-RGB filters from Baader Planetarium with Reflex-Blocker™ and Life-Coat™. Now with 47.4 mm ...

Antlia SHO 7nm Prime Narrowband Pro Filters Antlia SHO Prime narrowband filter optimizes the FWHM (full width half maximum) to 7nm bandpass. The su...

Askar FRA600 108mm f/5.6 Quintuplet APO Today Sharpstar announces the newest addition to its Askar FRA series, the Askar FRA600/5.6. Following the...

Antares Filter Neutral Density 25% Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhanci...

Antares W70 Serie 2 4mm 70°  W70 series eyepieces offer a wider field of view and more comfortable eye relief than Plossls. The 1.25" W70-4mm has (...